High power 12" woofer. Very good power handling, excellent and very low distortion. Copper voice coil construction, suspensions and cone materials designed to survive at 450Watt RMS power.
Features General specifications
Nominal Diameter : 12 inch / 305 mm
Rated Impedance : 8 ohm
Program Power (watt) : 900 W
Power handling capacity : 450 W
Sensitivity : 97.0 dB
Frequency range : 40 - 2000 Hz
Effective piston diameter : 260 mm / 10.24 inch
Max. Excursion Before Damage : 36 mm / 1.42 inch
Minimum Impedance (ohm) : 7.2 ohm
Voice Coil Diameter : 3.0 inch / 76 mm
Voice Coil Winding Material : Copper
Voice Coil Length : 19 mm / 0.75 inch
Number of layers : 2
Kind of layers : inside/outside
Top Plate Thickness : 10 mm / 0.39 inch
Cone Design : Curved
Surround Material : Polycotton
Surround Design : M-roll
Magnets : Ceramic
Spider : 01
Thiele - small parameters
Resonance frequency (Fs) : 43 Hz
DC resistance (Re) (ohm) : 5.80 ohm
Mechanical factor : 4.60 Qms
Electrical factor : 0.23 Qes
Total factor : 0.22 Qts
Bl factor (Bl) (T x m) : 19.00 T x m
Effective moving mass (Mms) : 56.0 g
Equivalent Cas air loaded (Vas) : 97.0 liters
Effective piston area (Sd) : 56.000 m2
Max. linear excursion (Xmax) : 7 mm
Voice coil inductance @ 1kHz (Le1k) : 1.20 mH
Half-space efficency (Eff) : 3.23%
Mounting information
Overall diameter : 320 mm / 12.6 inches
Bolt circle diameter : 293-304 mm / 11.54-11.97 inch
Bolt hole diameter : 7 mm / 0.28 inch
Front mount baffle cut-out : 282 mm / 11.1 inch
Rear mount baffle cut-out : 284 mm / 11.18 inch
Volume occupied by the driver : 2.6 liters / 0.1 ft3
Standard compliance
Safety agency : CE compliant
Size / Weight
Height : 140 mm / 5.51 inches
Diameter : 320 mm / 12.6 inches
Weight : 7 kg / 15.43 lbs
Shipping information
Package Height : 210 mm / 8.27 inches
Package Width : 360 mm / 14.17 inches
Package Depth : 360 mm / 14.17 inches
Package Weight : 8.05 kg / 17.75 lbs